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Added UnmarshalKeyExact() as well as non-method UnmarshalExact().

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This commit is contained in:
Kolbe Kegel 2017-08-22 23:35:11 -07:00
parent 25b30aa063
commit 6d96b16143
1 changed files with 18 additions and 0 deletions
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18
viper.go
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@ -768,6 +768,7 @@ func decode(input interface{}, config *mapstructure.DecoderConfig) error {
// UnmarshalExact unmarshals the config into a Struct, erroring if a field is nonexistent
// in the destination struct.
func UnmarshalExact(rawVal interface{}) error { return v.UnmarshalExact(rawVal) }
func (v *Viper) UnmarshalExact(rawVal interface{}) error {
config := defaultDecoderConfig(rawVal)
config.ErrorUnused = true
@ -782,6 +783,23 @@ func (v *Viper) UnmarshalExact(rawVal interface{}) error {
return nil
}
// UnmarshalKeyExact takes a single key and unmarshals it into a Struct, erroring if a field
// is nonexistent in the destination struct.
func UnmarshalKeyExact(key string, rawVal interface{}) error { return v.UnmarshalKeyExact(key, rawVal) }
func (v *Viper) UnmarshalKeyExact(key string, rawVal interface{}) error {
config := defaultDecoderConfig(rawVal)
config.ErrorUnused = true
err := decode(v.Get(key), config)
if err != nil {
return err
}
v.insensitiviseMaps()
return nil
}
// BindPFlags binds a full flag set to the configuration, using each flag's long
// name as the config key.